Is CMD subset of Windows PowerShell?

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In summary, Windows PowerShell is a more advanced and powerful command-line interface than CMD, as it contains a larger set of commands and features. However, CMD is still an important component of the Windows operating system and is often used for simple tasks and compatibility purposes. While CMD is a subset of Windows PowerShell, the latter offers more capabilities and flexibility for managing and automating tasks on a Windows system.
  • #1
yungman
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Hi

I never learn CMD all these years. I am getting a little more into computer, PowerShell is completely new to me. I just want to get opinions from you experts whether I should learn PowerShell or just learn CMD.

I read articles that CMD literally a subset of PowerShell.

I am not that into IT or anything, just want to learn a little. Should I just learn CMD alone?

Thanks
 
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  • #3
berkeman said:
I've mostly use CMD in my work, but also looked briefly at Powershell a couple years ago for some specialized tasks. Others can give you good answers, but I did a Google search on CMD vs Powershell and got lots of good hits:

https://www.google.com/search?client=firefox-b-1-e&q=cmd+vs+powershell&bshm=rimc/1
So CMD is more popular? I don't want to learn more than I need. I just want some idea. I learn computer after DOS, never get into it before. Just want to learn some.

Thanks
 
  • #4
yungman said:
So CMD is more popular? I don't want to learn more than I need.
You should know by now that you should not trust my word on this stuff... :wink:

CMD commands are pretty fundamental to using Windows/DOS boxes and scripting. When I looked at Powershell I was trying to figure out how to use the linux "expect" command reliably on Windows. It's a more advanced command that you would only look at using in specialized circumstances, IMO.
 
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  • #5
berkeman said:
You should know by now that you should not trust my word on this stuff... :wink:

CMD commands are pretty fundamental to using Windows/DOS boxes and scripting. When I looked at Powershell I was trying to figure out how to use the linux "expect" command reliably on Windows. It's a more advanced command that you would only look at using in specialized circumstances, IMO.
I've been away from Windows for a long time (I'm happy to say. POSIX offers so much more control but of course Windows is still an industry standard and won't be going away anytime soon.)

There's a lot of easily accessible information about the differences between PowerShell and CMD:

Just off the top of google:

How PowerShell Differs From the Windows Command Prompt

What's new in PowerShell Docs for 2023PS.:

Is "debug" also a command in PowerShell? :)
 
  • #6
berkeman said:
You should know by now that you should not trust my word on this stuff... :wink:

CMD commands are pretty fundamental to using Windows/DOS boxes and scripting. When I looked at Powershell I was trying to figure out how to use the linux "expect" command reliably on Windows. It's a more advanced command that you would only look at using in specialized circumstances, IMO.
I think I am going to learn CMD first. I already starting to learn how to change directory like file explorer using "cd" and "cd..". Using TAB to do shortcut.

Thanks
 
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  • #7
berkeman said:
You should know by now that you should not trust my word on this stuff... :wink:

CMD commands are pretty fundamental to using Windows/DOS boxes and scripting. When I looked at Powershell I was trying to figure out how to use the linux "expect" command reliably on Windows. It's a more advanced command that you would only look at using in specialized circumstances, IMO.
I learned some of the commands in CMD like cd, TAB to scroll through directory alphabetically, dir, cls, dir * etc. They ALL work in Powershell. So far the only one that doesn't work is "/a" to view hidden files.

I am not done yet, I only gone through 1/2 of the 9 part series on CMD commands.
 
  • #8
Try the /? option to dir. dir /?

Many (all?) commands, and even programs, accept the /? to show a list and descriptions of their known options.

Cheers,
Tom
 
  • #9
yungman said:
So CMD is more popular?
It's older and a lot less sophisticated than PowerShell. The CMD commands date from the time before Windows was released when IBM PC clones ran some form of DOS, like PC-DOS or MSDOS.
 
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FAQ: Is CMD subset of Windows PowerShell?

Is CMD a subset of Windows PowerShell?

Yes, CMD (Command Prompt) is a subset of Windows PowerShell. Windows PowerShell is an advanced version of Command Prompt that offers more features and capabilities for scripting and automation tasks.

What are the key differences between CMD and Windows PowerShell?

Some key differences between CMD and Windows PowerShell include the scripting language used (CMD uses batch scripting while PowerShell uses a more powerful scripting language), the availability of cmdlets (PowerShell has a wide range of cmdlets for system administration tasks), and the ability to work with objects (PowerShell treats everything as objects, making it more versatile).

Can CMD commands be used in Windows PowerShell?

Yes, many CMD commands can be used in Windows PowerShell. However, some CMD commands may have different syntax or may not be directly compatible with PowerShell. It is recommended to use PowerShell cmdlets for better functionality and flexibility.

Is it necessary to learn Windows PowerShell if I already know CMD?

While it is not necessary to learn Windows PowerShell if you are comfortable with CMD, learning PowerShell can greatly enhance your scripting and automation capabilities. PowerShell offers more advanced features and functionalities that can help streamline your tasks and improve efficiency.

Can Windows PowerShell completely replace CMD?

Yes, Windows PowerShell can completely replace CMD for most system administration tasks. PowerShell is more powerful and versatile than CMD, making it the preferred choice for scripting and automation in Windows environments. However, CMD is still available for backward compatibility and certain specific tasks.

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